public static int getNode(SinglyLinkedListNode llist, int positionFromTail) {
        int lenght = 0;
        SinglyLinkedListNode counterList = llist;
        
        while (counterList != null) {
            lenght++;
            counterList = counterList.next;
        }
        
        int positionFromHead = lenght - positionFromTail - 1;
        int index = 0;
        SinglyLinkedListNode node = llist;
        
        while (index < positionFromHead) {
            node = node.next;
            index++;
        }
        
        return node.data;
    }